Recommended usage: Office Connectivity technology: Wireless Device interface: RF Wireless + Bluetooth Keyboard layout: QWERTY Keyboard language: US International Pointing device: N Keyboard form factor: Full-size (100%) Numeric keypad: Y Windows keys: Y Hot keys: Y Number of hot keys: 12 Programmable hot keys: Y Frequency band: 2.4 Bluetooth version: 5.0 Keyboard style: Straight Wrist rest: N Product colour: Grey,Titanium Surface coloration: Monochromatic Power source type: Battery Keyboard battery type: AAA Number of batteries (keyboard): 2 Mouse included: Y Movement detection technology: Optical Movement resolution: 1600 Buttons quantity: 7 Buttons type: Pressed buttons Scroll: Y Scroll type: Wheel Scrolling directions: Vertical Mouse battery type: AA Number of batteries (mouse): 1 Windows operating systems supported: Y Mac operating systems supported: Y Linux operating systems supported: Y Mobile operating systems supported: Android Other operating systems supported: ChromeOS Keyboard dimensions (WxDxH): 433.3 x 121.5 x 28.36 Keyboard weight: 561 Mouse dimensions (WxDxH): 69.7 x 114.5 x 41.6 Mouse weight: 84 Receiver included: Y Batteries included: Y Harmonized System (HS) code: 84716060